'use strict';

let json = {
  "BaseApiUrl":"https://api.flutterwave.com",
  "PublicKey":"FLWPUBK_TEST-54c90141b028789d671067bd72f781a9-X",
  "SecretKey":"FLWSECK_TEST-c7bbc86d7e7100254c5e5bbf162bf2b2-X",
  "EncryptionKey":"FLWSECK_TESTe9474d4e2ce6"
};
let data = JSON.stringify(json);
let buff = new Buffer(data);
let base64data = buff.toString('base64');

console.log('"' + data + '" converted to Base64 is "' + base64data + '"');